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Generate preview images of charts for the list view

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This commit is contained in:
Gergely Polonkai 2014-09-28 00:39:35 +02:00
parent 54a93e05d6
commit dfb3e0f8ff
2 changed files with 74 additions and 24 deletions
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1
src/ag-chart-renderer.h
View File

@ -41,6 +41,7 @@ struct _AgChartRenderer
};
#define AG_CHART_RENDERER_TILE_SIZE 256
#define AG_CHART_RENDERER_ICON_SIZE 15
#define AG_CHART_RENDERER_CHECK_ICON_SIZE 40
#define AG_CHART_RENDERER_TILE_MARGIN AG_CHART_RENDERER_CHECK_ICON_SIZE / 4
#define AG_CHART_RENDERER_TILE_MARGIN_BOTTOM AG_CHART_RENDERER_CHECK_ICON_SIZE / 8

95
src/ag-icon-view.c
View File

@ -1,7 +1,11 @@
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "ag-enumtypes.h"
#include "ag-icon-view.h"
#include "ag-db.h"
#include "ag-chart-renderer.h"
#include "ag-display-theme.h"
#include "ag-chart.h"
typedef struct _AgIconViewPrivate {
AgIconViewMode mode;
@ -19,6 +23,7 @@ enum {
enum {
AG_ICON_VIEW_COLUMN_SELECTED,
AG_ICON_VIEW_COLUMN_ITEM,
AG_ICON_VIEW_COLUMN_PIXBUF,
AG_ICON_VIEW_COLUMN_COLUMNS
};
@ -38,7 +43,10 @@ ag_icon_view_set_mode(AgIconView *icon_view, AgIconViewMode mode)
ag_icon_view_unselect_all(icon_view);
}
ag_chart_renderer_set_toggle_visible(priv->thumb_renderer, (mode == AG_ICON_VIEW_MODE_SELECTION));
ag_chart_renderer_set_toggle_visible(
priv->thumb_renderer,
(mode == AG_ICON_VIEW_MODE_SELECTION)
);
gtk_widget_queue_draw(GTK_WIDGET(icon_view));
@ -122,12 +130,18 @@ ag_icon_view_button_press_event_cb(GtkWidget *widget,
GtkIconView *gtk_icon_view = GTK_ICON_VIEW(widget);
AgIconView *ag_icon_view = AG_ICON_VIEW(widget);
path = gtk_icon_view_get_path_at_pos(gtk_icon_view, ((GdkEventButton *)event)->x, ((GdkEventButton *)event)->y);
path = gtk_icon_view_get_path_at_pos(
gtk_icon_view,
((GdkEventButton *)event)->x,
((GdkEventButton *)event)->y
);
if (path != NULL) {
gboolean selected;
AgDbChartSave *chart_save;
GtkListStore *store = GTK_LIST_STORE(gtk_icon_view_get_model(gtk_icon_view));
GtkListStore *store = GTK_LIST_STORE(gtk_icon_view_get_model(
gtk_icon_view)
);
if (event->button == GDK_BUTTON_SECONDARY) {
ag_icon_view_set_mode(ag_icon_view, AG_ICON_VIEW_MODE_SELECTION);
@ -137,9 +151,18 @@ ag_icon_view_button_press_event_cb(GtkWidget *widget,
GtkTreeIter iter;
if (gtk_tree_model_get_iter(GTK_TREE_MODEL(store), &iter, path)) {
gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, AG_ICON_VIEW_COLUMN_SELECTED, &selected, AG_ICON_VIEW_COLUMN_ITEM, &chart_save, -1);
gtk_tree_model_get(
GTK_TREE_MODEL(store), &iter,
AG_ICON_VIEW_COLUMN_SELECTED, &selected,
AG_ICON_VIEW_COLUMN_ITEM, &chart_save,
-1
);
gtk_list_store_set(store, &iter, AG_ICON_VIEW_COLUMN_SELECTED, !selected, -1);
gtk_list_store_set(
store, &iter,
AG_ICON_VIEW_COLUMN_SELECTED, !selected,
-1
);
ag_icon_view_selection_changed(ag_icon_view);
}
@ -180,22 +203,6 @@ ag_icon_view_class_init(AgIconViewClass *klass)
);
}
static void
ag_icon_view_chart_renderer_func(GtkCellLayout *layout,
GtkCellRenderer *renderer,
GtkTreeModel *model,
GtkTreeIter *iter,
AgIconView *icon_view)
{
AgDbChartSave *chart_save;
gtk_tree_model_get(model, iter, AG_ICON_VIEW_COLUMN_ITEM, &chart_save, -1);
if (chart_save) {
g_object_set(renderer, "pixbuf", NULL, NULL);
}
}
static void
ag_icon_view_text_renderer_func(GtkCellLayout *layout,
GtkCellRenderer *renderer,
@ -226,7 +233,8 @@ ag_icon_view_init(AgIconView *icon_view)
priv->model = gtk_list_store_new(
AG_ICON_VIEW_COLUMN_COLUMNS,
G_TYPE_BOOLEAN,
AG_TYPE_DB_CHART_SAVE
AG_TYPE_DB_CHART_SAVE,
GDK_TYPE_PIXBUF
);
gtk_icon_view_set_model(
GTK_ICON_VIEW(icon_view),
@ -267,6 +275,12 @@ ag_icon_view_init(AgIconView *icon_view)
GTK_CELL_RENDERER(priv->thumb_renderer),
"checked", AG_ICON_VIEW_COLUMN_SELECTED
);
gtk_cell_layout_add_attribute(
GTK_CELL_LAYOUT(icon_view),
GTK_CELL_RENDERER(priv->thumb_renderer),
"pixbuf", AG_ICON_VIEW_COLUMN_PIXBUF
);
/*
gtk_cell_layout_set_cell_data_func(
GTK_CELL_LAYOUT(icon_view),
GTK_CELL_RENDERER(priv->thumb_renderer),
@ -274,6 +288,7 @@ ag_icon_view_init(AgIconView *icon_view)
icon_view,
NULL
);
*/
priv->text_renderer = gtk_cell_renderer_text_new();
gtk_cell_renderer_set_alignment(
@ -298,15 +313,49 @@ void
ag_icon_view_add_chart(AgIconView *icon_view, AgDbChartSave *chart_save)
{
GtkTreeIter iter;
AgChart *chart;
AgIconViewPrivate *priv = ag_icon_view_get_instance_private(icon_view);
AgDisplayTheme *theme = ag_display_theme_get_preview_theme();
AgDbChartSave *save_data = chart_save;
AgDb *db = ag_db_get();
GdkPixbuf *pixbuf = NULL;
g_debug("Adding chart for %s", chart_save->name);
if (!chart_save->populated) {
save_data = ag_db_chart_get_data_by_id(
db,
chart_save->db_id,
NULL
);
} else {
save_data = ag_db_chart_save_ref(chart_save);
}
g_object_unref(db);
chart = ag_chart_new_from_db_save(
save_data,
TRUE,
NULL
);
pixbuf = ag_chart_get_pixbuf(
chart,
AG_CHART_RENDERER_TILE_SIZE,
AG_CHART_RENDERER_ICON_SIZE,
theme,
NULL
);
g_object_unref(chart);
gtk_list_store_append(priv->model, &iter);
gtk_list_store_set(
priv->model, &iter,
AG_ICON_VIEW_COLUMN_SELECTED, FALSE,
AG_ICON_VIEW_COLUMN_ITEM, chart_save,
AG_ICON_VIEW_COLUMN_ITEM, save_data,
AG_ICON_VIEW_COLUMN_PIXBUF, pixbuf,
-1
);
}